| Challenger - Rome GA | 02/23 16:00 | 26 | [235] Seong Chan Hong v Gabriel Decamps [363] | 6-1,6-0 | |
| Challenger - Rome GA | 02/21 15:00 | 25 | [363] Gabriel Decamps v Daniel Cukierman [366] | 6-1,6-2 | |
| Challenger - Teneriffa | 01/15 11:50 | 14 | [322] Gabriel Decamps v Ernests Gulbis [311] | Retired | |
| Challenger - Oeiras | 01/10 14:20 | 25 | [322] Gabriel Decamps v Pol M Tiffon [292] | 6-7,7-6,4-6 | |
| Challenger - Oeiras | 01/09 13:25 | 19 | [322] Gabriel Decamps v Kenny de Schepper [345] | 3-6,6-3,7-5 | |
| Challenger - Oeiras - Qualifikation | 01/08 14:20 | 14 | Gabriel Decamps v Henrique Rocha | 7-5,6-3 | |
| Challenger - Oeiras | 01/03 17:50 | 25 | [323] Gabriel Decamps v Jay Clarke [240] | 6-7,1-6 | |
| Challenger - Temuco | 11/23 17:05 | 26 | [281] Gabriel Decamps v Juan Bautista Otegui [432] | 6-7,4-6 | |
| Challenger - Temuco | 11/21 20:35 | 25 | [281] Gabriel Decamps v Wilson Leite [417] | 6-3,6-0 | |
| Challenger - Drummondville | 11/14 23:30 | 25 | [214] Alexis Galarneau v Gabriel Decamps [279] | 3-6,6-2,7-6 | |
| Challenger - Calgary | 11/09 17:00 | 26 | [280] Gabriel Decamps v Antoine Escoffier [216] | 5-7,3-6 | |
| Challenger - Calgary | 11/08 23:55 | 25 | Johannes Haerteis v Gabriel Decamps | 5-7,4-6 | |
| Challenger - Brest | 10/25 19:20 | 25 | [63] Benjamin Bonzi v Gabriel Decamps [277] | 7-5,7-5 | |
| Challenger - Vilnius | 10/18 10:00 | 25 | [277] Gabriel Decamps v Nerman Fatic [195] | 4-6,5-7 | |
| Challenger - Ismaning | 10/13 11:00 | 26 | [276] Gabriel Decamps v Kacper Zuk [269] | 1-6,4-6 | |
| Challenger - Ismaning | 10/11 19:10 | 25 | [436] Matthias Bachinger v Gabriel Decamps [276] | 0-6,6-1,4-6 | |
| Challenger - Alicante | 10/03 13:45 | 25 | [228] Nicolas Alvarez Varona v Gabriel Decamps [264] | 6-2,7-5 | |
| Challenger - Rennes | 09/12 15:35 | 25 | Clement Chidekh v Gabriel Decamps | 6-2,5-7,6-1 | |
| Challenger - Nonthaburi | 09/03 06:35 | 28 | [286] Gabriel Decamps v Omar Jasika [367] | Retired | |
| Challenger - Nonthaburi | 09/02 05:25 | 27 | [286] Gabriel Decamps v Federico Gaio [330] | 6-3,7-5 | |
| Challenger - Nonthaburi | 09/01 04:40 | 26 | Gabriel Decamps v Kasidit Samrej | 6-4,6-4 | |
| Challenger - Nonthaburi | 08/29 07:10 | 25 | [286] Gabriel Decamps v Sergey Fomin [353] | 6-2,6-2 | |
| Challenger - Nonthaburi | 08/24 05:15 | 26 | [341] Dane Sweeny v Gabriel Decamps [280] | 6-3,6-4 | |
| Challenger - Nonthaburi | 08/23 03:30 | 25 | [352] Sergey Fomin v Gabriel Decamps [280] | Retired | |
| Challenger - Grodzisk Mazowiecki | 08/19 12:00 | 27 | [295] Harold Mayot v Gabriel Decamps [302] | 6-4,7-6 | |
| Challenger - Grodzisk Mazowiecki | 08/18 08:30 | 26 | [302] Gabriel Decamps v Sebastian Ofner [224] | 7-6,6-4 | |
| Challenger - Grodzisk Mazowiecki | 08/16 12:25 | 25 | [302] Gabriel Decamps v Oleksii Krutykh [270] | 6-7,6-2,7-6 | |
| Challenger - Segovia | 07/26 11:40 | 25 | [307] Gabriel Decamps v Ugo Humbert [152] | 3-6,4-6 | |
| Challenger - Segovia | 07/25 09:00 | 19 | [307] Gabriel Decamps v Yan Bondarevskiy [448] | 6-2,6-4 | |
| Challenger - Segovia | 07/24 08:00 | 14 | [328] Gabriel Decamps v Inigo Cervantes [304] | 7-5,6-2 |
Gabriel Décamps (* 7. August 1999 in São Paulo) ist ein brasilianischer Tennisspieler.